EP0380228A3 - Traitement de l'eau - Google Patents

Traitement de l'eau Download PDF

Info

Publication number: EP0380228A3
Authority: EP; European Patent Office
Prior art keywords: water treatment; water; ppm; metals; contacting
Prior art date: 1989-01-25
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19900300452

Other languages

German (de)

English (en)

Other versions

EP0380228A2 (fr

Inventor

Allin Sydney Pratt

Gregory John Grashoff

Gwendoline Ann Tregunno-Eason

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Johnson Matthey PLC

Original Assignee

Johnson Matthey PLC

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1989-01-25

Filing date

1990-01-17

Publication date

1990-10-10

1990-01-17 Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC

1990-08-01 Publication of EP0380228A2 publication Critical patent/EP0380228A2/fr

1990-10-10 Publication of EP0380228A3 publication Critical patent/EP0380228A3/fr

Status Withdrawn legal-status Critical Current

Links

XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 3
FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 abstract 1
229940072056 alginate Drugs 0.000 abstract 1
235000010443 alginic acid Nutrition 0.000 abstract 1
229920000615 alginic acid Polymers 0.000 abstract 1
239000011324 bead Substances 0.000 abstract 1
235000010410 calcium alginate Nutrition 0.000 abstract 1
229960002681 calcium alginate Drugs 0.000 abstract 1
239000000648 calcium alginate Substances 0.000 abstract 1
OKHHGHGGPDJQHR-YMOPUZKJSA-L calcium;(2s,3s,4s,5s,6r)-6-[(2r,3s,4r,5s,6r)-2-carboxy-6-[(2r,3s,4r,5s,6r)-2-carboxylato-4,5,6-trihydroxyoxan-3-yl]oxy-4,5-dihydroxyoxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylate Chemical compound [Ca+2].O[C@@H]1[C@H](O)[C@H](O)O[C@@H](C([O-])=O)[C@H]1O[C@H]1[C@@H](O)[C@@H](O)[C@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@H](O2)C([O-])=O)O)[C@H](C(O)=O)O1 OKHHGHGGPDJQHR-YMOPUZKJSA-L 0.000 abstract 1
229910001385 heavy metal Inorganic materials 0.000 abstract 1
239000000463 material Substances 0.000 abstract 1
229910052751 metal Inorganic materials 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1
229910021645 metal ion Inorganic materials 0.000 abstract 1
150000002739 metals Chemical class 0.000 abstract 1
231100000331 toxic Toxicity 0.000 abstract 1
230000002588 toxic effect Effects 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
- C02F1/505—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds

Landscapes

Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Removal Of Specific Substances (AREA)
Water Treatment By Sorption (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Water Treatment By Electricity Or Magnetism (AREA)

EP19900300452 1989-01-25 1990-01-17 Traitement de l'eau Withdrawn EP0380228A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB898901622A GB8901622D0 (en)	1989-01-25	1989-01-25	Water treatment
GB8901622		1989-01-25

Publications (2)

Publication Number	Publication Date
EP0380228A2 EP0380228A2 (fr)	1990-08-01
EP0380228A3 true EP0380228A3 (fr)	1990-10-10

Family

ID=10650582

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19900300452 Withdrawn EP0380228A3 (fr)	1989-01-25	1990-01-17	Traitement de l'eau

Country Status (4)

Country	Link
EP (1)	EP0380228A3 (fr)
JP (1)	JPH02277595A (fr)
AU (1)	AU4876390A (fr)
GB (1)	GB8901622D0 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9017611D0 (en) *	1990-08-10	1990-09-26	Archaeus Limited	Method of decolourising water
RU2125972C1 (ru) *	1994-07-27	1999-02-10	Уральский научно-исследовательский институт региональных экологических проблем (УралНИИ "Экология")	Способ очистки сточных вод от ионов тяжелых металлов
WO2000016877A1 (fr) *	1998-09-18	2000-03-30	Oeste Franz D	Structure fibreuse contenant un principe actif, procede permettant de la produire et son utilisation
FR2784295B1 (fr) *	1998-10-09	2002-02-08	Instrumentation Scient Et Ind	Procedes de preparation d'un extrait algal anrichi en iode et d'un timbre cutane a liberation graduelle d'iode, ainsi que les produits correspondants
GB2356202A (en) *	1999-09-23	2001-05-16	Reckitt Benckiser	Use of algins in combating hard water, scale and the like
EP1313670A1 (fr)	2000-09-01	2003-05-28	Reckitt Benckiser (UK) LIMITED	Procede de nettoyage
FR2939425B1 (fr) *	2008-12-08	2011-01-21	Jean Philippe Robert	Procede pour la depollution par alginate sodique des eaux usees d'une centrale d'epuration
CN104338515B (zh) *	2013-07-26	2017-01-25	中国石油天然气股份有限公司	钙离子吸附剂及其制备方法与污水中钙离子的吸附方法
CN105327691B (zh) *	2015-10-20	2017-08-25	西南科技大学	一种皮胶原/海藻酸钠多孔凝胶球重金属吸附剂的制备方法
CN115069302B (zh)	2022-07-20	2023-05-09	江苏农林职业技术学院	一种高效可见光催化材料及其制备方法和应用

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2348436A1 (de) *	1972-09-26	1974-05-02	Agency Ind Science Techn	Schwermetalladsorbens und verfahren zu seiner herstellung
DE2434632A1 (de) *	1973-07-19	1975-02-13	Agency Ind Science Techn	Nitrohuminsaeure enthaltende adsorptionsmittel und verfahren zu ihrer herstellung

1989
- 1989-01-25 GB GB898901622A patent/GB8901622D0/en active Pending
1990
- 1990-01-17 EP EP19900300452 patent/EP0380228A3/fr not_active Withdrawn
- 1990-01-24 JP JP1274790A patent/JPH02277595A/ja active Pending
- 1990-01-24 AU AU48763/90A patent/AU4876390A/en not_active Abandoned

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2348436A1 (de) *	1972-09-26	1974-05-02	Agency Ind Science Techn	Schwermetalladsorbens und verfahren zu seiner herstellung
DE2434632A1 (de) *	1973-07-19	1975-02-13	Agency Ind Science Techn	Nitrohuminsaeure enthaltende adsorptionsmittel und verfahren zu ihrer herstellung

Also Published As

Publication number	Publication date
EP0380228A2 (fr)	1990-08-01
GB8901622D0 (en)	1989-03-15
JPH02277595A (ja)	1990-11-14
AU4876390A (en)	1990-08-02

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Legal Events

Date	Code	Title	Description
1990-06-16	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1990-08-01	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT NL
1990-08-24	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-10-10	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT NL
1991-10-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1991-12-11	18D	Application deemed to be withdrawn	Effective date: 19910411